1991年用英语说法one thousand nine hundred and ninety-one,这种说法对不对,通

Thirteen billion,six hundred and ninety-one,nine hundred and 1928年用英文可以说 one thousand nine hundred and twenty eight吗? nine hundred and ninety-nine thousand什么意思 add one hundred and ninety-nine to four hundred and twenty-s 2400用英语怎么读是 "one thousand and four hundred "还是"one thousand one hundred and twenty thousand 请问1001256用英语这么读对吗:one million and one thousand two hundred a 翻译“One Hundred and Ninety One Ponit Eight Kilometers 31,958.78美元可以表示为?dolars thirty one thousand nine hundred and one hundred and 15 thousand 是什么意思 为什么1999年读成 nineteen ninety-nine 而不读成one thousand nine hundre forty-nine和ninety-one